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what newer gen GPUs be better in terms of price/performance ratio?

post #1 of 4
Thread Starter 
4x R9 280X or 4x R9 290?


What hash rate has everyone been getting with theirs? (stock/oc'd)
idk
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idk
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i5 3570k p8z77-v pro sapphire hd 7950 sapphire hd 7950 
RAMHard DriveCoolingOS
samsung eco samsung f3 1tb corsair h100i windows 7 
MonitorKeyboardPowerCase
asus vh238h cooler master quickfire tk rosewill capstone 650 fractal design define r4 
MouseMouse PadAudio
corsair m60 steelseries qck+ rokkit 5 
CPUMotherboardGraphicsGraphics
i7 3570k ASRock Z77 WS sapphire hd 7950 flex sapphire hd 7950 flex 
GraphicsGraphicsRAMHard Drive
sapphire hd 7950 flex sapphire hd 7950 flex corsair vengeance 8gb 1866 samsung 840 120gb 
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post #2 of 4
Not worth it if you ask me. You are much better off buying old as heck GPUs and mine on that.

From what I see on OCN 290/290X tops out at around 1000KH/s on litecoins.

R290 result is on bottom.
https://litecoin.info/Mining_hardware_comparison#AMD_.28ATI.29
Power Bac G5
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Power Bac G5
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post #3 of 4

I'd recommend buying some used 7950's. Preferably MSI TF3 or Gigabyte WF3 (make sure they're flashable to the F43 bios if you go the Gigabyte 7950 route, it really helps)

 

You can get them now for about $175-$200 a card, which isn't a bad price and they should be paid off within 5 months, if you pay for power. They can do around 650-720KH/s, depending on the card you get and how it overclocks.

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750TIMINER2
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Number Cruncher
(16 items)
 
HTPC
(11 items)
 
750TIMINER2
(15 items)
 
CPUMotherboardGraphicsRAM
i7 2600k ASUS Sabertooth Z77 Sapphire 290 Tri-x 4GB OC CORSAIR Vengeance 16GB 
Hard DriveHard DriveHard DriveOptical Drive
Intel 520 120 GB SSD Seagate Barracuda 1 TB 250GB Samsung 840 EVO SSD LG Blu-Ray Lightscribe Combo Burner 
CoolingOSMonitorPower
Swiftech H320 (CPU only) Windows 7 Ultimate 27" Shimian 1440p Monitor 1000W Corsair PSU 
CaseMouseMouse PadAudio
800D custom painted and fixed up! 15 year old Microsoft Custom Minecraft Mousepad Logitech 2.1 Speakers (wub wubbity wub wub) 
CPUMotherboardGraphicsRAM
i5 3570k MSI Z68 MA-ED55 MSI GTX 750 Ti 6GB Corsair XMP 
Hard DriveOptical DriveCoolingOS
500GB WD Blue ASUS DVD Burner Hyper 212+ Windows 8.1 
PowerCase
Rosewill HIVE 750W Rosewill Blackbone 
CPUMotherboardGraphicsRAM
AMD Sempron 145 Gigabyte 990FXA-UD3 4x MSI GTX 750 Ti 6 GB Corsair XMP 
Hard DriveCoolingOSMonitor
500 GB Seagate Barracuda Stock Windows 7 LG 20" 900p display 
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Dell generic Rosewill HIVE 750W Rosewill Thor V2 Dell generic 
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post #4 of 4
http://www.overclock.net/t/1437876/290x-mining-performance

R9 290 series is not a good buy if all you want to do is mine with them. I suspect this may change over time (drivers, aftermarket cards with better power delivery, etc), but that's just the state of things now.
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